Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Related Searches

Related Products

0.375-in x 20-ft Closed cell Backer Rod, Gray

M-D   0.375-in x 20-ft Closed cell Backer Rod, Gray

The M-D Backer Rod provides a base for caulking to prevent caulk waste in deeper, larger gaps or joints. Backer rod can also fill gaps to protect the home against drafts, moisture, dust and insects. Can be used in both indoor and outdoor applications. Before installation, cut to desired length by using scissors.

0.75-in x 0.75-in x 20-ft Closed Cell Compressible Backer Rod Polyethylene Concrete Expansion Joints

Sika   0.75-in x 0.75-in x 20-ft Closed Cell Compressible Backer Rod Polyethylene Concrete Expansion Joints

Sika 3/4 In. Backer Rod is used to partially fill deep expansion joints and cracks before the application of your sealant. It helps prevent 3-sided adhesion while allowing you to control the depth of the sealant.

0.5-in x 20-ft Closed cell Backer Rod, Gray

M-D   0.5-in x 20-ft Closed cell Backer Rod, Gray

The M-D Backer Rod provides a base for caulking to prevent caulk waste in deeper, larger gaps or joints. Backer rod can also fill gaps to protect the home against drafts, moisture, dust and insects. Can be used in both indoor and outdoor applications. Before installation, cut to desired length by using scissors.

0.625-in x 20-ft Closed cell Backer Rod, Gray

M-D   0.625-in x 20-ft Closed cell Backer Rod, Gray

The M-D Backer Rod provides a base for caulking to prevent caulk waste in deeper, larger gaps or joints. Backer rod can also fill gaps to protect the home against drafts, moisture, dust and insects. Can be used in both indoor and outdoor applications. Before installation, cut to desired length by using scissors.

0.375-in x 350-ft Closed cell Backer Rod, Gray

M-D   0.375-in x 350-ft Closed cell Backer Rod, Gray

The M-D Backer Rod provides a base for caulking to prevent caulk waste in deeper, larger gaps or joints. Backer rod can also fill gaps to protect the home against drafts, moisture, dust and insects. Can be used in both indoor and outdoor applications. Before installation, cut to desired length by using scissors.

0.5-in x 4.0-in x 5-ft Polyethylene Concrete Expansion Joints

Sakrete   0.5-in x 4.0-in x 5-ft Polyethylene Concrete Expansion Joints

Designed for use as a control or isolation joint in most concrete slab applications. Can be used in driveways and sidewalks.

1.25-in x 0.75-in x 25-ft Three quarter inch Grey 25 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab   1.25-in x 0.75-in x 25-ft Three quarter inch Grey 25 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab is a product made from exterior-grade materials designed to replace rotten or missing wood often found in driveways and sidewalks over 5 years old. It offers many advantages over the tube-dispensed gooey stuff that has been about the only option available for years. Trim-A-Slab installs incredibly fast, looks great, and can be removed and replaced in case you need to run wires for outdoor lighting across your driveway.

1.25-in x 0.75-in x 50-ft Trim-A-Slab 3/4 in. X 50 ft. Concrete Expansion Joint in Grey Polyvinyl Concrete Expansion Joints

Trim-A-Slab   1.25-in x 0.75-in x 50-ft Trim-A-Slab 3/4 in. X 50 ft. Concrete Expansion Joint in Grey Polyvinyl Concrete Expansion Joints

Trim-A-Slab is a product made from exterior-grade materials designed to replace rotten or missing wood often found in driveways and sidewalks over 5 years old. It offers many advantages over the tube-dispensed gooey stuff that has been about the only option available for years. Trim-A-Slab installs incredibly fast, looks great, and can be removed and replaced in case you need to run wires for outdoor lighting across your driveway.

1.58-in x 1.375-in x 25-ft One and three eights inch Grey 25 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab   1.58-in x 1.375-in x 25-ft One and three eights inch Grey 25 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab is a product made from exterior-grade materials designed to replace rotten or missing wood often found in driveways and sidewalks over 5 years old. It offers many advantages over the tube-dispensed gooey stuff that has been about the only option available for years. Trim-A-Slab installs incredibly fast, looks great, and can be removed and replaced in case you need to run wires for outdoor lighting across your driveway.

1.5-in x 1.0-in x 25-ft One inch Grey 25 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab   1.5-in x 1.0-in x 25-ft One inch Grey 25 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab is a product made from exterior-grade materials designed to replace rotten or missing wood often found in driveways and sidewalks over 5 years old. It offers many advantages over the tube-dispensed gooey stuff that has been about the only option available for years. Trim-A-Slab installs incredibly fast, looks great, and can be removed and replaced in case you need to run wires for outdoor lighting across your driveway.

1.25-Inches x 0.5-Inches x 5-ft 3 Pack half inch Grey 4 foot Sticks 3 -Pack Polyvinyl Concrete Expansion Joints

Trim-A-Slab   1.25-Inches x 0.5-Inches x 5-ft 3 Pack half inch Grey 4 foot Sticks 3 -Pack Polyvinyl Concrete Expansion Joints

Trim-A-Slab is a product made from exterior-grade materials designed to replace rotten or missing wood often found in driveways and sidewalks over 5 years old. It offers many advantages over the tube-dispensed gooey stuff that has been about the only option available for years. Trim-A-Slab installs incredibly fast, looks great, and can be removed and replaced in case you need to run wires for outdoor lighting across your driveway.

0.81-in x 0.5-in x 50-ft Half-in Grey 50 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab   0.81-in x 0.5-in x 50-ft Half-in Grey 50 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab is a product made from exterior-grade materials designed to replace rotten or missing wood often found in driveways and sidewalks over 5 years old. It offers many advantages over the tube-dispensed gooey stuff that has been about the only option available for years. Trim-A-Slab installs incredibly fast, looks great, and can be removed and replaced in case you need to run wires for outdoor lighting across your driveway.

0.81-Inches x 0.5-Inches x 25-ft 1/2inch Black 25 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab   0.81-Inches x 0.5-Inches x 25-ft 1/2inch Black 25 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab is a product made from exterior-grade materials designed to replace rotten or missing wood often found in driveways and sidewalks over 5-years old. It offers many advantages over the tube-dispensed gooey stuff that has been about the only option available for years. Trim-A-Slab installs incredibly fast, looks great, and can be removed and replaced in case you need to run wires for outdoor lighting across your driveway.

0.81-in x 0.5-in x 25-ft Half inch Grey 25 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab   0.81-in x 0.5-in x 25-ft Half inch Grey 25 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab is a product made from exterior-grade materials designed to replace rotten or missing wood often found in driveways and sidewalks over 5-years old. It offers many advantages over the tube-dispensed gooey stuff that has been about the only option available for years. Trim-A-Slab installs incredibly fast, looks great, and can be removed and replaced in case you need to run wires for outdoor lighting across your driveway.

0.375-in x 0.188-in x 50-ft 3/16 Grey 50 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab   0.375-in x 0.188-in x 50-ft 3/16 Grey 50 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab is a product made from exterior-grade materials designed to replace rotten or missing wood often found in driveways and sidewalks over 5-years old. It offers many advantages over the tube-dispensed gooey stuff that has been about the only option available for years. Trim-A-Slab installs incredibly fast, looks great, and can be removed and replaced in case you need to run wires for outdoor lighting across your driveway.

1.25-in x 0.75-in x 50-ft Three quarter inch Walnut 50 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab   1.25-in x 0.75-in x 50-ft Three quarter inch Walnut 50 foot Polyvinyl Concrete Expansion Joints

Trim-A-Slab is a product made from exterior-grade materials designed to replace rotten or missing wood often found in driveways and sidewalks over 5 years old. It offers many advantages over the tube-dispensed gooey stuff that has been about the only option available for years. Trim-A-Slab installs incredibly fast, looks great, and can be removed and replaced in case you need to run wires for outdoor lighting across your driveway.

Concrete Expansion Joints That Protect and Extend the Life of Your Surfaces


Concrete expansion joints are essential for maintaining the integrity of slabs, driveways, sidewalks and foundations. These joints prevent cracking and damage caused by temperature and moisture changes by allowing concrete to expand and contract naturally. Explore durable cement expansion joints and other accessories, like concrete expansion joint fillers, at Lowe’s.


Benefits of Concrete Expansion Joints

  • Crack Prevention: absorbs stress from shifting or expanding slabs to reduce surface damage
  • Long-Term Durability: maintains structural integrity under fluctuating weather conditions
  • Improved Flexibility: cement expansion joints accommodate movement between concrete sections
  • Enhanced Safety: keeps surfaces even and prevents lifting or buckling
  • Low Maintenance: once installed, expansion joints provide years of reliable performance with minimal upkeep


Key Features of Concrete Expansion Joints

  • Weather-Resistant Design: formulated to resist water, UV exposure, and freeze-thaw cycles
  • Easy Installation: available in pre-cut strips or rolls for quick application between slabs
  • Strong Bonding: adheres securely to concrete, asphalt or masonry surfaces
  • Compatibility: joints work seamlessly with remesh and other reinforcement materials for added strength


How to Choose the Right Concrete Expansion Joint

  • Match to Application: Use rigid or semi-rigid expansion joints for driveways, patios and walkways.
  • Material Type: Select rubber, foam or fiberboard joints based on the level of movement expected.
  • Width and Depth: Ensure the joint fits the slab thickness and spacing between concrete sections.
  • Support Materials: Pair with backer rods to fill deeper gaps before sealing.


Maintenance Tips for Concrete Expansion Joints

  • Inspect joints annually for signs of cracking or separation.
  • Replace damaged or deteriorated filler materials as needed.
  • Keep joints free from dirt and debris to allow natural movement.
  • Reapply sealant periodically to maintain water resistance.
  • Avoid using harsh chemicals that can degrade rubber or foam fillers.


From driveways and patios to large concrete slabs, concrete expansion joints help preserve surface strength and appearance year after year. Find durable expansion joint concrete solutions, as well as other supplies like expansion joint fillers and more, for your next project at Lowe’s.